12204240252 has 24 divisors (see below), whose sum is σ = 29013855696. Its totient is φ = 3991323648.

The previous prime is 12204240203. The next prime is 12204240253. The reversal of 12204240252 is 25204240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204240253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9593893 + ... + 9595164.

It is an arithmetic number, because the mean of its divisors is an integer number (1208910654).

Almost surely, 2^12204240252 is an apocalyptic number.

12204240252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12204240252 is an abundant number, since it is smaller than the sum of its proper divisors (16809615444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12204240252 is a wasteful number, since it uses less digits than its factorization.

12204240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19189117 (or 19189115 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 12204240252 its reverse (25204240221), we get a palindrome (37408480473).

The spelling of 12204240252 in words is "twelve billion, two hundred four million, two hundred forty thousand, two hundred fifty-two".